<template>
  <el-form ref="deptForm" :rules="rules" :model="form" label-width="120px">
    <el-form-item label="部门名称" prop="name">
      <el-input
        v-model="form.name"
        style="width: 80%"
        placeholder="1-50个字符"
      />
    </el-form-item>
    <el-form-item label="部门编码" prop="code">
      <el-input
        v-model="form.code"
        style="width: 80%"
        placeholder="1-50个字符"
      />
    </el-form-item>
    <el-form-item label="部门负责人" prop="manager">
      <el-select v-model="form.manager" style="width: 80%" placeholder="请选择">
        <el-option
          v-for="item in employeesList"
          :key="item.id"
          :value="item.username"
          :label="item.username"
        />
      </el-select>
    </el-form-item>
    <el-form-item label="部门介绍" prop="introduce">
      <el-input
        v-model="form.introduce"
        style="width: 80%"
        placeholder="1-300个字符"
        type="textarea"
        :rows="3"
      />
    </el-form-item>
    <el-form-item>
      <el-button @click="hSubmit" type="primary" size="small">确定</el-button>
      <el-button @click="$emit('close')" size="small">取消</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
import { getEmployees } from "@/api/employees";
import {
  addDepartments,
  getDepartmentsDetail,
  updateDepartments,
} from "@/api/departments";
export default {
  props: {
    id: {
      type: String,
      required: true,
    },
    isEdit: {
      type: Boolean,
      required: true,
    },
    originList:{
      type:Array,
      required:true
    }
  },
  data() {
    const validCode =(rule,value,callback)=>{
      let existCode =this.originList.map(item=>item.code)
      if(this.isEdit){
        existCode =this.originList.filter(item=>item.id!==this.id).map(item=>item.code)
      }
      if(existCode.includes(value)){
        callback(new Error(`部门编码：${value}已存在`))
      }else{
        callback()
      }
    },
//校验部门名称，同级名称不能重复
     validName = (rule, value, callback) => {
      // console.log(this.id);
      //如果是新增,那么this.id就是父部门的id作为新增子部门的pid
      let existNameList = this.originList
        .filter((item) => item.pid === this.id)
        .map((item) => item.name);
      if (this.isEdit) {
        //在所有部门中找到当前编辑的部门数据对象
        const curDepartment = this.originList.find(
          (item) => item.id === this.id
        );
        //找到当前编辑的部门pid
        const pid = curDepartment.pid;
        //所有的兄弟部门的pid是一样的 找到所有的兄弟 包括自己
        const brothers = this.originList.filter((item) => item.pid === pid);
        //排除自己
        existNameList = brothers
          .filter((item) => item.id !== this.id)
          .map((item) => item.name);
      }
      console.log(existNameList);
      if (existNameList.includes(value)) {
        callback(new Error(`部门名称：${value} 已存在`));
      } else {
        callback();
      }
    };

    return {
      rules:{
         name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur'},
          { min: 1, max: 50, message: '部门名称要求1-50个字符', trigger:'blur'},
          { validator:validName, trigger:'blur'}
        ],
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur'},
          { min: 1, max: 50, message: '部门编码要求1-50个字符', trigger: 'blur'},
          { validator:validCode, trigger: 'blur'}
        ],
        manager: [
          { required: true, message: '部门负责人不能为空', trigger: 'blur'}
        ],
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger:'blur'},
          { min: 1, max: 300, message: '部门介绍要求1-300个字符', trigger: 'blur'}
        ]
      },
      form: {
        name: "", // 部门名称
        code: "", // 部门编码
        manager: "", // 部门管理者
        introduce: "", // 部门介绍
      },
      employeesList: [],
    };
  },
  created() {
    this.loadImployees();
      this.loadDetail();
  },
  methods: {
    //获取部门负责人的数据
    async loadImployees() {
       try {
        const res = await getImployees();
        // console.log(res,'res');
        if (res.code === 10000) {
          this.employeesList = res.data;
        }
      } catch (error) {
        // console.log(error);
        this.$message.error(error);
      }
    },
    hSubmit() {
      this.$refs.form.validate(valid=>{
      if (!valid) return;
      this.isEdit ? this.doEdit() : this.doAdd();
      })
    },
    //获取当前部门的详情
    async loadDetail() {
      try {
        if (this.isEdit) {
          const res = await getDepartmentsDetail(this.id);
          // console.log(res);
          this.form = res.data;
        }
      } catch (error) {
        console.log(error);
      }
    },
    async doEdit() {
      try {
        const res = await updateDepartments(this.form);
        // console.log(res);
        if (res.code !== 10000) return this.$message.error(res.message);
        this.$message.success(res.message);
        this.$emit("success");
      } catch (error) {
        console.log(error);
      }
    },
    async doAdd() {
      try {
        const res = await addDepartments({ ...this.form, pid: this.id });
        console.log(res);
        if (res.code !== 10000) return this.$message.error(res.message);
        this.$message.success(res.message);
        this.$emit("success");
      } catch (error) {
        console.log(error);
      }
    },
  },
};
</script>

<style lang="scss" scoped>
</style>